"There is a theory which states that if ever anybody discovers exactly what the Universe is for and why it is here, it will instantly disappear and be replaced by something even more bizarre and inexplicable. There is another theory which states that this has already happened."
- Douglas Adams

Glow is a pretty cool image postprocessing effect, and it's not that hard to implement either. It's harder to find in real life though, but here it is, around the main sign.
























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